Posted by Bill on February 01, 2001 at 07:27:32:
In Reply to: Re: Re: Re: cryogenic tuba freezing posted by Rick Denney on January 31, 2001 at 22:45:21:
Rick, some shooters do this, too. It is supposed to "regulate" the barrel fluctuations when a cartridge is fired. I do not know if it is effective but it is done.